IPC-Stelle: C01B 21/064 [Version 7 (gültig ab 01.2000)]

SymbolTypTitel
CSKCHEMISTRY; METALLURGY
C01USKCHEMISTRY
C01KLINORGANIC CHEMISTRY (processing powders of inorganic compounds preparatory to the manufacturing of ceramic products C04B 35/00; fermentation or enzyme-using processes for the preparation of elements or inorganic compounds except carbon dioxide C12P 3/00; obtaining metal compounds from mixtures, e.g. ores, which are intermediate compounds in a metallurgical process for obtaining a free metal C21B , C22B; production of non-metallic elements or inorganic compounds by electrolysis or electrophoresis C25B)
C01BUKLNON-METALLIC ELEMENTSCOMPOUNDS THEREOF
C01B 3/00ZWHydrogenHydridesWaterSynthesis gas from hydrocarbons
C01B 3/00HGRHydrogenGaseous mixtures containing hydrogenSeparation of hydrogen from mixtures containing it (separation of gases by physical means B01D)Purification of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C10J; purifying or modifying the chemical compositions of combustible gases containing carbon monoxide C10K) [3]
C01B 3/02UGR1
.Production of hydrogen or of gaseous mixtures containing hydrogen [3]
C01B 3/04UGR2
. .by decomposition of inorganic compounds, e.g. ammonia [3]
C01B 3/06UGR2
. .by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents (by electrolysis of water C25B 1/04) [3]
C01B 3/08UGR3
. . .with metals [3]
C01B 3/10UGR4
. . . .by reaction of water vapour with metals [3]
C01B 3/12UGR3
. . .by reaction of water vapour with carbon monoxide [3]
C01B 3/14UGR4
. . . .Handling of heat and steam [3]
C01B 3/16UGR4
. . . .using catalysts [3]
C01B 3/18UGR4
. . . .using moving solid particles [3]
C01B 3/20UGR3
. . .by reaction of metal hydroxides with carbon monoxide [3]
C01B 3/22UGR2
. .by decomposition of gaseous or liquid organic compounds (coking liquid carbonaceous materials C10B 55/00) [3]
C01B 3/24UGR3
. . .of hydrocarbons [3]
C01B 3/26UGR4
. . . .using catalysts [3]
C01B 3/28UGR4
. . . .using moving solid particles [3]
C01B 3/30UGR5
. . . . .using the fluidised bed technique [3]
C01B 3/32UGR2
. .by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air [3]
C01B 3/34UGR3
. . .by reaction of hydrocarbons with gasifying agents [3]
C01B 3/36UGR4
. . . .using oxygen or mixtures containing oxygen as gasifying agents [3]
C01B 3/38UGR4
. . . .using catalysts [3]
C01B 3/40UGR5
. . . . .characterised by the catalyst [3]
C01B 3/42UGR5
. . . . .using moving solid particles [3]
C01B 3/44UGR6
. . . . . .using the fluidised bed technique [3]
C01B 3/46UGR4
. . . .using discontinuously preheated non-moving solid materials, e.g. blast and run [3]
C01B 3/48UGR4
. . . .followed by reaction of water vapour with carbon monoxide [3]
C01B 3/50UGR1
.Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification (C01B 3/14 takes precedence) [3]
C01B 3/52UGR2
. .by contacting with liquidsRegeneration of used liquids [3]
C01B 3/54UGR3
. . .including a catalytic reaction [3]
C01B 3/56UGR2
. .by contacting with solidsRegeneration of used solids [3]
C01B 3/58UGR3
. . .including a catalytic reaction [3]
C01B 4/00HGRHydrogen isotopesInorganic compounds thereof prepared by isotope exchange, e.g. NH_3_+D_2_ - > NH_2_D+HD (separation of isotopes B01D 59/00; other chemical reactions to form compounds of hydrogen isotopes, see the relevant groups for hydrogen compounds in class C01) [2]
C01B 5/00HGRWater
C01B 5/02UGR1
.Heavy waterPreparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND_3_+7O_2_ - > 4NO_2_+6D_2_O, 2D_2_+O_2_ - > 2D_2_O
C01B 6/00HGRHydrides of metalsMonoborane or diboraneAddition complexes thereof (higher hydrides of boron, substituted hydrides of boron C01B 35/00) [2]
C01B 6/02UGR1
.Hydrides of transition elementsAddition complexes thereof
C01B 6/04UGR1
.Hydrides of alkali metals, alkaline earth metals, beryllium or magnesiumAddition complexes thereof
C01B 6/06UGR1
.Hydrides of aluminium, gallium, indium, thallium, germanium, tin, lead, arsenic, antimony, bismuth or poloniumMonoboraneDiboraneAddition complexes thereof
C01B 6/10UGR2
. .MonoboraneDiboraneAddition complexes thereof [2]
C01B 6/11UGR3
. . .Preparation from boron or inorganic compounds containing boron and oxygen [2]
C01B 6/13UGR3
. . .Addition complexes of monoborane or diborane, e.g. with phosphine, arsine or hydrazine [2]
C01B 6/15UGR4
. . . .Metal borohydridesAddition complexes thereof [2]
C01B 6/17UGR5
. . . . .Preparation from boron or inorganic compounds containing boron and oxygen [2]
C01B 6/19UGR5
. . . . .Preparation from other compounds of boron [2]
C01B 6/21UGR6
. . . . . .Preparation of borohydrides of alkali metals, alkaline earth metals, magnesium or berylliumAddition complexes thereof, e.g. LiBH_4_.2N_2_H_4_, NaB_2_H_7_ [2]
C01B 6/23UGR6
. . . . . .Preparation of borohydrides of other metals, e.g. aluminium borohydrideAddition complexes thereof, e.g. Li [Al(BH_4_)_3_H]
C01B 6/24UGR1
.Hydrides containing at least two metals, e.g. Li(AlH_4_)Addition complexes thereof (C01B 6/13 to C01B 6/23 take precedence) [2]
C01B 6/26UGR2
. .Preparation from the metal with the highest valency or from its oxides or salts of its oxyacids
C01B 6/34UGR1
.PurificationStabilisation
C01B 7/00ZWHalogensCompounds thereof
C01B 7/00HGRHalogensHalogen acids (oxyacids C01B 11/00)
C01B 7/01UGR1
.ChlorineHydrogen chloride [2]
C01B 7/03UGR2
. .Preparation from chlorides [2, 3]
C01B 7/04UGR3
. . .Preparation of chlorine from hydrogen chloride [3]
C01B 7/05UGR3
. . .Preparation from ammonium chloride [2, 3]
C01B 7/07UGR2
. .Purification [2, 3]
C01B 7/075UGR3
. . .of liquid chlorine [2, 3]
C01B 7/09UGR1
.BromineHydrogen bromide [2]
C01B 7/13UGR1
.IodineHydrogen iodide [2]
C01B 7/14UGR2
. .Iodine [2]
C01B 7/16UGR3
. . .Preparation from seaweed [2]
C01B 7/19UGR1
.FluorineHydrogen fluoride [2]
C01B 7/20UGR2
. .Fluorine [2]
C01B 7/24UGR1
.Inter-halogen compounds
C01B 9/00HGRGeneral methods of preparing halides (particular individual halides, see the relevant groups in subclasses C01B to C01G according to the element combined with the halogen; electrolytic production of inorganic compounds C25B)
C01B 9/02UGR1
.Chlorides
C01B 9/04UGR1
.Bromides
C01B 9/06UGR1
.Iodides
C01B 9/08UGR1
.Fluorides
C01B 11/00HGROxides or oxyacids of halogensSalts thereof
C01B 11/02UGR1
.Oxides of chlorine
C01B 11/04UGR1
.Hypochlorous acid
C01B 11/06UGR2
. .Hypochlorites, e.g. chlorinated lime
C01B 11/08UGR1
.Chlorous acid
C01B 11/10UGR2
. .Chlorites
C01B 11/12UGR1
.Chloric acid
C01B 11/14UGR2
. .Chlorates
C01B 11/16UGR1
.Perchloric acid
C01B 11/18UGR2
. .Perchlorates
C01B 11/20UGR1
.Oxygen compounds of bromine
C01B 11/22UGR1
.Oxygen compounds of iodine
C01B 11/24UGR1
.Oxygen compounds of fluorine
C01B 13/00ZWOxygenOxides or hydroxides in generalPer-compounds
C01B 13/00HGROxygenOzoneOxides or hydroxides in general
C01B 13/02UGR1
.Preparation of oxygen (by liquefying F25J)
C01B 13/08UGR2
. .from air with the aid of metal oxides, e.g. barium oxide, manganese oxide
C01B 13/10UGR1
.Preparation of ozone
C01B 13/11UGR2
. .by electric discharge [2]
C01B 13/14UGR1
.Methods for preparing oxides or hydroxides in general (particular individual oxides or hydroxides, see the relevant groups of subclasses C01B to C01G or C25B , according to the element combined with the oxygen or hydroxy group)
C01B 13/16UGR2
. .Purification [3]
C01B 13/18UGR2
. .by thermal decomposition of compounds, e.g. of salts or hydroxides [3]
C01B 13/20UGR2
. .by oxidation of elements in the gaseous stateby oxidation or hydrolysis of compounds in the gaseous state [3]
C01B 13/22UGR3
. . .of halides or oxyhalides [3]
C01B 13/24UGR4
. . . .in the presence of hot combustion gases [3]
C01B 13/26UGR4
. . . .in the presence of a fluidised bed [3]
C01B 13/28UGR4
. . . .using a plasma or an electric discharge [3]
C01B 13/30UGR4
. . . .Removal and cooling of the oxide containing suspension [3]
C01B 13/32UGR2
. .by oxidation or hydrolysis of elements or compounds in the liquid or solid state [3]
C01B 13/34UGR2
. .by oxidation or hydrolysis of sprayed or atomised solutions [3]
C01B 13/36UGR2
. .by precipitation reactions in solutions [3]
C01B 15/00HGRPeroxidesPeroxyhydratesPeroxyacids or salts thereofSuperoxidesOzonides
C01B 15/01UGR1
.Hydrogen peroxide [3]
C01B 15/013UGR2
. .SeparationPurificationConcentration [3]
C01B 15/017UGR3
. . .Anhydrous hydrogen peroxideAnhydrous solutions or gaseous mixtures containing hydrogen peroxide [3]
C01B 15/022UGR2
. .Preparation from organic compounds [2]
C01B 15/023UGR3
. . .by the alkyl-anthraquinone process [3]
C01B 15/024UGR3
. . .from hydrocarbons [3]
C01B 15/026UGR3
. . .from alcohols [3]
C01B 15/027UGR2
. .Preparation from water [3]
C01B 15/029UGR2
. .Preparation from hydrogen and oxygen [3]
C01B 15/03UGR2
. .Preparation from inorganic peroxy-compounds, e.g. from peroxysulfates [3]
C01B 15/032UGR3
. . .from metal peroxides [3]
C01B 15/037UGR2
. .Stabilisation by additives [3]
C01B 15/04UGR1
.Metal peroxides or peroxyhydrates thereofSuperoxidesOzonides [3]
C01B 15/043UGR2
. .of alkali metals, alkaline earth metals or of magnesium [2, 3]
C01B 15/047UGR2
. .of heavy metals [2, 3]
C01B 15/055UGR1
.Peroxyhydrates (C01B 15/04 takes precedence)Peroxyacids or salts thereof [3]
C01B 15/06UGR2
. .containing sulfur [3]
C01B 15/08UGR3
. . .Peroxysulfates [3]
C01B 15/10UGR2
. .containing carbon [3]
C01B 15/12UGR2
. .containing boron [3]
C01B 15/14UGR2
. .containing silicon [3]
C01B 15/16UGR2
. .containing phosphorus [3]
C01B 17/00ZWE
C01B 17/00HGRSulfurCompounds thereof
C01B 17/02UGR1
.Preparation of sulfurPurification
C01B 17/027UGR2
. .Recovery of sulfur from material containing elemental sulfur, e.g. luxmassesPurification [3]
C01B 17/033UGR3
. . .using a liquid extractant [3]
C01B 17/04UGR2
. .from gaseous sulfur compounds including gaseous sulfides
C01B 17/05UGR3
. . .by wet processes [3]
C01B 17/06UGR2
. .from non-gaseous sulfides or materials containing such sulfides, e.g. ores
C01B 17/10UGR2
. .Finely-divided sulfur, e.g. sublimed sulfur, flowers of sulfur
C01B 17/12UGR2
. .Insoluble sulfur (mu-sulfur)
C01B 17/16UGR1
.Hydrogen sulfides
C01B 17/18UGR2
. .Hydrogen polysulfides
C01B 17/20UGR1
.Methods for preparing sulfides or polysulfides, in general (ammonium sulfides or polysulfides C01C; sulfides or polysulfides of metals, other than alkali metals, magnesium, calcium, strontium, and barium, see the relevant groups of subclasses C01F or C01G , according to the metal)
C01B 17/22UGR1
.Alkali metal sulfides or polysulfides
C01B 17/24UGR2
. .Preparation by reduction
C01B 17/26UGR3
. . .with carbon
C01B 17/28UGR3
. . .with reducing gases
C01B 17/30UGR2
. .Preparation from sodium or potassium amalgam with sulfur or sulfides
C01B 17/32UGR2
. .Hydrosulfides of sodium or potassium
C01B 17/34UGR2
. .Polysulfides of sodium or potassium
C01B 17/36UGR2
. .Purification
C01B 17/38UGR2
. .Dehydration
C01B 17/40UGR2
. .Making shaped products, e.g. granules
C01B 17/42UGR1
.Sulfides or polysulfides of magnesium, calcium, strontium, or barium
C01B 17/43UGR2
. .from oxides or hydroxides with sulfur or hydrogen sulfide
C01B 17/44UGR2
. .by reduction of sulfates
C01B 17/45UGR1
.Compounds containing sulfur and halogen, with or without oxygen
C01B 17/46UGR1
.Compounds containing sulfur, halogen, hydrogen, and oxygen
C01B 17/48UGR1
.Sulfur dioxideSulfurous acid
C01B 17/50UGR2
. .Preparation of sulfur dioxide
C01B 17/52UGR3
. . .by roasting sulfides (C22B 1/00 takes precedence)
C01B 17/54UGR3
. . .by burning elemental sulfur
C01B 17/56UGR3
. . .SeparationPurification
C01B 17/58UGR3
. . .Recovery of sulfur dioxide from acid tar or the like
C01B 17/60UGR3
. . .Isolation of sulfur dioxide from gases
C01B 17/62UGR1
.Methods of preparing sulfites in general (particular individual sulfites, see the relevant groups of subclasses C01B to C01G , according to the cation)
C01B 17/64UGR1
.ThiosulfatesDithionitesPolythionates
C01B 17/66UGR2
. .Dithionites
C01B 17/69UGR1
.Sulfur trioxideSulfuric acid [3]
C01B 17/70UGR2
. .Stabilisation of gamma-form sulfur trioxide
C01B 17/74UGR2
. .Preparation [3]
C01B 17/76UGR3
. . .by contact processes
C01B 17/765UGR4
. . . .Multi-stage SO_3_-conversion [3]
C01B 17/77UGR4
. . . .Fluidised-bed processes [3]
C01B 17/775UGR4
. . . .Liquid phase contacting processes or wet catalysis processes [3]
C01B 17/78UGR4
. . . .characterised by the catalyst used
C01B 17/79UGR5
. . . . .containing vanadium [3]
C01B 17/80UGR4
. . . .Apparatus
C01B 17/82UGR3
. . .of sulfuric acid using a nitrogen oxide process
C01B 17/84UGR4
. . . .Chamber process
C01B 17/86UGR4
. . . .Tower process
C01B 17/88UGR2
. .Concentration of sulfuric acid
C01B 17/90UGR2
. .SeparationPurification
C01B 17/92UGR3
. . .Recovery from acid tar or the like
C01B 17/94UGR3
. . .Recovery from nitration acids
C01B 17/96UGR1
.Methods for the preparation of sulfates in general (particular individual sulfates, see the relevant groups of subclasses C01B to C01G , according to the cation)
C01B 17/98UGR1
.Other compounds containing sulfur and oxygen (persulfuric acids C01B 15/06; persulfates C01B 15/08)
C01B 19/00HGRSeleniumTelluriumCompounds thereof (phosphorus compounds C01B 25/14)
C01B 19/02UGR1
.Elemental selenium or tellurium [3]
C01B 19/04UGR1
.Binary compounds [3]
C01B 21/00HGRNitrogenCompounds thereof
C01B 21/02UGR1
.Preparation of nitrogen (from ammonia C01B 3/04)
C01B 21/04UGR1
.Purification or separation of nitrogen (by liquefying F25J)
C01B 21/06UGR1
.Binary compounds of nitrogen with metals, with silicon, or with boron (azides C01B 21/08)
C01B 21/064UGR2
. .with boron [3]
C01B 21/068UGR2
. .with silicon [3]
C01B 21/072UGR2
. .with aluminium [3]
C01B 21/076UGR2
. .with titanium or zirconium [3]
C01B 21/08UGR1
.Hydrazoic acidAzidesHalogen azides
C01B 21/082UGR1
.Compounds containing nitrogen and non-metals (C01B 21/06 , C01B 21/08 take precedence) [3]
C01B 21/083UGR2
. .containing one or more halogen atoms [3]
C01B 21/084UGR3
. . .containing also one or more oxygen atoms, e.g. nitrosyl halides [3]
C01B 21/086UGR2
. .containing one or more sulfur atoms [3]
C01B 21/087UGR2
. .containing one or more hydrogen atoms [3]
C01B 21/088UGR3
. . .containing also one or more halogen atoms [3]
C01B 21/09UGR4
. . . .Halogeno-amines, e.g. chloramine [3]
C01B 21/092UGR3
. . .containing also one or more metal atoms [3]
C01B 21/093UGR3
. . .containing also one or more sulfur atoms [3]
C01B 21/094UGR4
. . . .Nitrosyl containing acids [3]
C01B 21/096UGR4
. . . .Amidosulfonic acidSalts thereof [3]
C01B 21/097UGR2
. .containing phosphorus atoms [3]
C01B 21/098UGR3
. . .Phosphonitrilic dihalidesPolymers thereof [3]
C01B 21/12UGR2
. .Carbamic acidSalts thereof
C01B 21/14UGR2
. .HydroxylamineSalts thereof
C01B 21/16UGR2
. .HydrazineSalts thereof
C01B 21/20UGR1
.Nitrogen oxidesOxyacids of nitrogenSalts thereof
C01B 21/22UGR2
. .Nitrous oxide (N_2_O)
C01B 21/24UGR2
. .Nitric oxide (NO)
C01B 21/26UGR3
. . .Preparation by catalytic oxidation of ammonia
C01B 21/28UGR4
. . . .Apparatus
C01B 21/30UGR3
. . .Preparation by oxidation of nitrogen
C01B 21/32UGR4
. . . .Apparatus
C01B 21/34UGR2
. .Nitrogen trioxide (N_2_O_3_)
C01B 21/36UGR2
. .Nitrogen dioxide (NO_2_, N_2_O_4_) (C01B 21/26 , C01B 21/30 take precedence)
C01B 21/38UGR2
. .Nitric acid
C01B 21/40UGR3
. . .Preparation by absorption of oxides of nitrogen
C01B 21/42UGR3
. . .Preparation from nitrates
C01B 21/44UGR3
. . .Concentration
C01B 21/46UGR3
. . .PurificationSeparation
C01B 21/48UGR2
. .Methods for the preparation of nitrates in general (particular individual nitrates, see the relevant groups of subclasses C01B to C01G , according to the cation)
C01B 21/50UGR2
. .Nitrous acidSalts thereof
C01B 23/00HGRNoble gasesCompounds thereof (liquefying F25J)
C01B 25/00HGRPhosphorusCompounds thereof (C01B 21/00 , C01B 23/00 take precedence; perphosphates C01B 15/16) [3]
C01B 25/01UGR1
.Treating phosphate ores or other raw phosphate materials to obtain phosphorus or phosphorus compounds [2]
C01B 25/02UGR1
.Preparation of phosphorus
C01B 25/023UGR2
. .of red phosphorus [2]
C01B 25/027UGR2
. .of yellow phosphorus [2]
C01B 25/04UGR1
.Purification of phosphorus
C01B 25/043UGR2
. .of red phosphorus [2]
C01B 25/047UGR2
. .of yellow phosphorus [2]
C01B 25/06UGR1
.Hydrogen phosphides
C01B 25/08UGR1
.Other phosphides
C01B 25/10UGR1
.Halides or oxyhalides of phosphorus [2]
C01B 25/12UGR1
.Oxides of phosphorus
C01B 25/14UGR1
.Sulfur, selenium, or tellurium compounds of phosphorus
C01B 25/16UGR1
.Oxyacids of phosphorusSalts thereof (peroxyacids or salts thereof C01B 15/00)
C01B 25/163UGR2
. .Phosphorous acidSalts thereof [2]
C01B 25/165UGR2
. .Hypophosphorous acidSalts thereof [2]
C01B 25/168UGR2
. .Pyrophosphorous acidSalts thereof [2]
C01B 25/18UGR2
. .Phosphoric acid
C01B 25/20UGR3
. . .Preparation from elemental phosphorus or phosphoric anhydride
C01B 25/22UGR3
. . .Preparation by reacting phosphate containing material with an acid, e.g. wet process
C01B 25/222UGR4
. . . .with sulfuric acid, a mixture of acids mainly consisting of sulfuric acid or a mixture of compounds forming it in situ, e.g. a mixture of sulfur dioxide, water and oxygen [3]
C01B 25/223UGR5
. . . . .only one form of calcium sulfate being formed [3]
C01B 25/225UGR6
. . . . . .Dihydrate process [3]
C01B 25/226UGR6
. . . . . .Hemihydrate process [3]
C01B 25/228UGR5
. . . . .one form of calcium sulfate being formed and then converted to another form [3]
C01B 25/229UGR6
. . . . . .Hemihydrate-dihydrate process [3]
C01B 25/231UGR6
. . . . . .Dihydrate-hemihydrate process [3]
C01B 25/232UGR5
. . . . .Preparation by reacting phosphate containing material with concentrated sulfuric acid and subsequently lixiviating the obtained mass, e.g. clincker process [3]
C01B 25/234UGR3
. . .PurificationStabilisationConcentration (purification concomitant with preparation C01B 25/22; preparation involving solvent-solvent extraction C01B 25/46) [3]
C01B 25/235UGR4
. . . .ClarificationStabilisation to prevent post-precipitation of dissolved impurities [3]
C01B 25/237UGR4
. . . .Selective elimination of impurities [3]
C01B 25/238UGR5
. . . . .Cationic impurities [3]
C01B 25/24UGR2
. .Condensed phosphoric acids
C01B 25/26UGR2
. .Phosphates (perphosphates C01B 15/16)
C01B 25/28UGR3
. . .Ammonium phosphates
C01B 25/30UGR3
. . .Alkali metal phosphates
C01B 25/32UGR3
. . .Phosphates of magnesium, calcium, strontium, or barium
C01B 25/34UGR4
. . . .Magnesium phosphates
C01B 25/36UGR3
. . .Aluminium phosphates
C01B 25/37UGR3
. . .Phosphates of heavy metals [2]
C01B 25/38UGR3
. . .Condensed phosphates
C01B 25/39UGR4
. . . .of alkali metals [3]
C01B 25/40UGR4
. . . .Polyphosphates [2]
C01B 25/41UGR5
. . . . .of alkali metals [3]
C01B 25/42UGR4
. . . .Pyrophosphates [2]
C01B 25/44UGR4
. . . .Metaphosphates [2]
C01B 25/445UGR5
. . . . .of alkali metals [3]
C01B 25/45UGR3
. . .containing plural metal, or metal and ammonium [3]
C01B 25/455UGR3
. . .containing halogen [3]
C01B 25/46UGR2
. .Preparation involving solvent-solvent extraction (solvent extraction in general B01D 11/00) [2]
C01B 31/00HGRCarbonCompounds thereof (C01B 21/00 , C01B 23/00 take precedence; percarbonates C01B 15/10; carbon black C09C 1/48; gas carbon production C10B) [3]
C01B 31/02UGR1
.Preparation of carbon (by using ultra-high pressure, e.g. for the formation of diamonds, B01J 3/06; by crystal growth C30B)Purification
C01B 31/04UGR2
. .Graphite
C01B 31/06UGR2
. .Diamond
C01B 31/08UGR1
.Active carbon
C01B 31/10UGR2
. .Preparation by using gaseous activating agents
C01B 31/12UGR2
. .Preparation by using non-gaseous activating agents
C01B 31/14UGR2
. .Granulation (apparatus B01J 2/00)
C01B 31/16UGR1
.Preparation of ion-exchanging materials from carbonaceous material
C01B 31/18UGR1
.Carbon monoxide (metal carbonyls C01G)
C01B 31/20UGR1
.Carbon dioxide
C01B 31/22UGR2
. .Solidifying
C01B 31/24UGR1
.Methods for the preparation of carbonates or bicarbonates in general (percarbonates C01B 15/10; particular individual carbonates, see the relevant groups of subclasses C01B to C01G , according to the cation)
C01B 31/26UGR1
.Compounds containing carbon and sulfur, e.g. carbon disulfide, carbon oxysulfideThiophosgene
C01B 31/28UGR1
.Phosgene
C01B 31/30UGR1
.Carbides (alloys C22)
C01B 31/32UGR2
. .Calcium carbide
C01B 31/34UGR2
. .Tungsten or molybdenum carbides
C01B 31/36UGR2
. .Carbides of silicon or boron
C01B 33/00HGRSiliconCompounds thereof (C01B 21/00 , C01B 23/00 take precedence; persilicates C01B 15/14; carbides C01B 31/36) [3]
C01B 33/02UGR1
.Silicon (forming single crystals or homogeneous polycrystalline material with defined structure C30B) [5]
C01B 33/021UGR2
. .Preparation (chemical coating from the vapour phase C23C 16/00) [5]
C01B 33/023UGR3
. . .by reduction of silica or silica-containing material [5]
C01B 33/025UGR4
. . . .with carbon or a solid carbonaceous material, i.e. carbo-thermal process [5]
C01B 33/027UGR3
. . .by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material [5]
C01B 33/029UGR4
. . . .by decomposition of monosilane [5]
C01B 33/03UGR4
. . . .by decomposition of silicon halides or halosilanes or reduction thereof with hydrogen as the only reducing agent [5]
C01B 33/031UGR5
. . . . .by decomposition of silicon tetraiodide [5]
C01B 33/033UGR4
. . . .by reduction of silicon halides or halosilanes with a metal or a metallic alloy as the only reducing agents [5]
C01B 33/035UGR4
. . . .by decomposition or reduction of gaseous or vaporised silicon compounds in the presence of heated filaments of silicon, carbon or a refractory metal, e.g. tantalum or tungsten, or in the presence of heated silicon rods on which the formed silicon is deposited, a silicon rod being obtained, e.g. Siemens process [5]
C01B 33/037UGR2
. .Purification (by zone-melting C30B 13/00) [5]
C01B 33/039UGR3
. . .by conversion of the silicon into a compound, optional purification of the compound, and reconversion into silicon [5]
C01B 33/04UGR1
.Hydrides of silicon
C01B 33/06UGR1
.Metal silicides (alloys C22)
C01B 33/08UGR1
.Compounds containing halogen
C01B 33/10UGR2
. .Compounds containing silicon, fluorine, and other elements
C01B 33/107UGR2
. .Halogenated silanes [3]
C01B 33/113UGR1
.Silicon oxidesHydrates thereof [3]
C01B 33/12UGR2
. .SilicaHydrates thereof, e.g. lepidoic silicic acid [3]
C01B 33/14UGR3
. . .Colloidal silica, e.g. dispersions, gels, sols [3]
C01B 33/141UGR4
. . . .Preparation of hydrosols or aqueous dispersions [3]
C01B 33/142UGR5
. . . . .by acidic treatment of silicates [3]
C01B 33/143UGR6
. . . . . .of aqueous solutions of silicates [3]
C01B 33/145UGR4
. . . .Preparation of hydroorganosols, organosols or dispersions in an organic medium [3]
C01B 33/146UGR4
. . . .After-treatment of sols (preparation of hydroorganosols, organosols or dispersions in an organic medium from hydrosols C01B 33/145) [3]
C01B 33/148UGR5
. . . . .ConcentrationDryingDehydrationStabilisationPurification [3]
C01B 33/149UGR5
. . . . .Coating [3]
C01B 33/151UGR5
. . . . .by progressively adding a sol to a different sol, i.e. "build up" of particles using a "heel" [3]
C01B 33/152UGR4
. . . .Preparation of hydrogels [3]
C01B 33/154UGR5
. . . . .by acidic treatment of aqueous silicate solutions [3]
C01B 33/155UGR4
. . . .Preparation of hydroorganogels or organogels [3]
C01B 33/157UGR4
. . . .After-treatment of gels [3]
C01B 33/158UGR5
. . . . .PurificationDryingDehydrating [3]
C01B 33/159UGR5
. . . . .Coating or hydrophobisation [3]
C01B 33/16UGR3
. . .Preparation of silica xerogels [3]
C01B 33/18UGR3
. . .Preparation of finely divided silica neither in sol nor in gel formAfter-treatment thereof (preparation of aerogels by dehydrating gels C01B 33/158; treatment to enhance the pigmenting or filling properties C09C) [3]
C01B 33/187UGR4
. . . .by acidic treatment of silicates [3]
C01B 33/193UGR5
. . . . .of aqueous solutions of silicates [3]
C01B 33/20UGR1
.Silicates (persilicates C01B 15/14)
C01B 33/22UGR2
. .Magnesium silicates
C01B 33/24UGR2
. .Alkaline earth metal silicates
C01B 33/26UGR2
. .Aluminium-containing silicates [5]
C01B 33/32UGR2
. .Alkali metal silicates (C01B 33/26 takes precedence) [3]
C01B 33/36UGR2
. .having base-exchange properties but not having molecular sieve properties (regeneration thereof B01J 49/00) [6]
C01B 33/38UGR3
. . .Layered base-exchange silicates, e.g. clays, micas or alkali metal silicates of kenyaite or magadiite type [6]
C01B 33/40UGR4
. . . .Clays [6]
C01B 33/42UGR4
. . . .Micas [6]
C01B 33/44UGR4
. . . .Products obtained from layered base-exchange silicates by ion-exchange with organic compounds such as ammonium, phosphonium or sulfonium compounds or by intercalation of organic compounds, e.g. organoclay material [6]
C01B 33/46UGR3
. . .Amorphous silicates, e.g. so-called "amorphous zeolites" (crystalline zeolites C01B 39/00) [6]
C01B 35/00HGRBoronCompounds thereof (monoborane, diborane, metal borohydrides or addition complexes thereof C01B 6/00; perborates C01B 15/12; binary compounds with nitrogen C01B 21/06; phosphides C01B 25/08; carbides C01B 31/36; alloys containing boron C22) [2]
C01B 35/02UGR1
.BoronBorides [2]
C01B 35/04UGR2
. .Metal borides [2]
C01B 35/06UGR1
.Boron halogen compounds [2]
C01B 35/08UGR1
.Compounds containing boron and nitrogen, phosphorus, oxygen, sulfur, selenium or tellurium [2]
C01B 35/10UGR2
. .Compounds containing boron and oxygen (C01B 35/06 takes precedence) [2]
C01B 35/12UGR3
. . .Borates [2]
C01B 35/14UGR2
. .Compounds containing boron and nitrogen, phosphorus, sulfur, selenium or tellurium [2]
C01B 35/16UGR1
.Compounds containing direct bonding between two boron atoms, e.g. Cl_2_B-BCl_2_ [2]
C01B 35/18UGR1
.Compounds containing three or more boron atoms, e.g. NaB_3_H_8_, MgB_10_Br_10_ (borazoles C01B 35/14) [2]
C01B 37/00ZWCompounds characterised primarily by their physical or chemical properties, rather than by their chemical constitution [6]
C01B 37/00HGRCompounds having molecular sieve properties but not having base-exchange properties [6]
C01B 37/02UGR1
.Crystalline silica-polymorphs, e.g. silicalites [6]
C01B 37/04UGR1
.Aluminophosphates (APO compounds) [6]
C01B 37/06UGR1
.Aluminophosphates containing other elements, e.g. metals, boron [6]
C01B 37/08UGR2
. .Silicoaluminophosphates (SAPO compounds) [6]
C01B 39/00HGRCompounds having molecular sieve and base-exchange properties, e.g. crystalline zeolitesTheir preparationAfter-treatment, e.g. ion-exchange or dealumination (treatment to modify the sorption properties, e.g. shaping using a binder, B01J 20/10; treatment to modify the catalytic properties, e.g. combination of treatments to make the zeolites appropriate to their use as a catalyst, B01J 29/04; treatment to improve the ion-exchange properties B01J 39/14; regeneration or reactivation of ion-exchange properties B01J 49/00; preparation of stabilised suspensions used in detergents C11D 3/12) [6]
C01B 39/02UGR1
.Crystalline aluminosilicate zeolitesIsomorphous compounds thereofDirect preparation thereofPreparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants: After-treatment thereof [6]
C01B 39/04UGR2
. .using at least one organic template directing agent, e.g. an ionic quaternary ammonium compound or an aminated compound [6]
C01B 39/06UGR2
. .Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements [6]
C01B 39/08UGR3
. . .the aluminium atoms being wholly replaced [6]
C01B 39/10UGR3
. . .the replacing atoms being phosphorus atoms [6]
C01B 39/12UGR3
. . .the replacing atoms being boron atoms [6]
C01B 39/14UGR2
. .Type A, as exemplified by patent documents US A 2,882,243 and GB A 1,035,644 [6]
C01B 39/16UGR3
. . .from aqueous solutions of an alkali metal aluminate and an alkali metal silicate excluding any other source of alumina or silica but seeds [6]
C01B 39/18UGR3
. . .from a reaction mixture containing at least one aluminium silicate or aluminosilicate of a clay type, e.g. kaolin or metakaolin or its exotherm modification or allophane [6]
C01B 39/20UGR2
. .Faujasite type, e.g. type X or Y, as exemplified by patent documents US A 2,882,244 and US A 3,130,007, respectively [6]
C01B 39/22UGR3
. . .Type X [6]
C01B 39/24UGR3
. . .Type Y [6]
C01B 39/26UGR2
. .Mordenite type [6]
C01B 39/28UGR2
. .Phillipsite or harmotome type, e.g. type B, as exemplified by patent document US A 3,008,803 [6]
C01B 39/30UGR2
. .Erionite or offretite type, e.g. zeolite T, as exemplified by patent document US A 2,950,952 [6]
C01B 39/32UGR2
. .Type L, as exemplified by patent document US A 3,216,789 [6]
C01B 39/34UGR2
. .Type ZSM-4, as exemplified by patent document GB A 1,117,568 or type Y, as exemplified by patent document GB A 1,178,186 [6]
C01B 39/36UGR2
. .Pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US A 3,702,886, GB A 1,334,243 and US A 3,709,979, respectively [6]
C01B 39/38UGR3
. . .Type ZSM-5 [6]
C01B 39/40UGR4
. . . .using at least one organic template directing agent [6]
C01B 39/42UGR2
. .Type ZSM-12, as exemplified by patent document US A 3,832,449 [6]
C01B 39/44UGR2
. .Ferrierite type, e.g. types ZSM-21, ZSM-35 or ZSM-38, as exemplified by patent documents US A 4,046,859, US A 4,016,245 and US A 4,046,859, respectively [6]
C01B 39/46UGR2
. .Other types characterised by their X-ray diffraction pattern and their defined composition [6]
C01B 39/48UGR3
. . .using at least one organic template directing agent [6]
C01B 39/50UGR1
.Zeolites wherein inorganic bases or salts occlude channels in the lattice framework, e.g. sodalite, cancrinite, nosean, hauynite [6]
C01B 39/52UGR2
. .Sodalites [6]
C01B 39/54UGR1
.Phosphates, e.g. APO or SAPO compounds [6]